What can OnStar do? Click on any of these 7 areas for more information Automatic Crash Response Automatic Crash Response What would you do if you had an accident and couldn't call for help? The moment your airbag deploys, an OnStar advisor makes contact with you over the hands-free speakerphone. At the same time, the system locates your car - so emergency services can be dispatched to your side if necessary. Wi-Fi Hotspot Wi-Fi Hotspot Vauxhall is the first & only European car maker in its segment to make a 4G/LTE Wi-Fi Hotspot available in virtually every car in its range. The extra powerful roof antenna gives you a stable, quick internet connection for up to seven devices Smartphone Function Smartphone Function Lock or unlock the doors, check oil and fuel levels or send destination details straight to your Vauxhall's navigation system. You can do all this remotely with a touch or two of OnStar's innovative Smartphone App. Stolen Vehicle Assistance Stolen Vehicle Assistance If someone steals your car, OnStar can help find it and remotely block the ignition. Vehicle Diagnostics Vehicle Diagnostics Whenever you want, you can ask OnStar to remotely chedk the health of your car. Destination Download Destination Download No more tedious typing addresses! Your OnStar advisor will find any destination in a matter of seconds and download it directly to your Vauxhall's navigation system. Privacy Privacy OnStar is only active as long as you want it to be. Excapt for emergencies, it will only find your car when you want it to.